LGB3B125B - 125A Circuit Breaker

LGB3B125B 125A Circuit Breaker

The Siemens LGB3B125B is a robust and highly reliable low voltage panelboard mount G-frame circuit breaker, designed to provide exceptional protection and performance in demanding electrical environments. With a thermal-magnetic trip unit, this breaker ensures optimal protection against overcurrent and short-circuit conditions, making it an ideal choice for commercial and industrial applications.

Key Features and Benefits:

• High Breaking Capacity: The Siemens LGB3B125B boasts an impressive breaking capacity of 14kAIC at 600Y/347V and 65kAIC at 480Y/277V, providing superior protection in the event of a fault.
• Thermal-Magnetic Trip Unit: This advanced unit provides dual protection—thermal protection for overloads and magnetic protection for short-circuits, ensuring reliable operation under various fault conditions.
• Compact and Durable Design: Measuring 3 inches wide, 5.4 inches high, and 2.8 inches deep, this circuit breaker is compact yet robust, suitable for space-constrained installations without compromising performance.
• Versatile Load Side Lugs: Equipped with load side lugs (TC1GG20) that accommodate a wire range of 8 - 1/0 AWG (Copper/Aluminum), facilitating flexible and secure connections.

Technical Specifications:

• Amperage: 125A
• Poles: 3
• Interrupting Rating: 14kAIC at 600Y/347V; 65kAIC at 480Y/277V
• Dimensions: 3” W x 5.4” H x 2.8” D
• Weight: 2.756 lbs
• Wire Range: 8 - 1/0 AWG (CU/AL)
• Mounting: Panelboard Mount

Material Compliance and Certifications:

• UL Listed: The Siemens LGB3B125B is UL listed, signifying that it meets stringent safety standards and is certified for reliable performance in electrical systems.
• Returnable: This product is returnable and compliant with WEEE take-back obligations, ensuring responsible recycling and disposal.

Suitability:

• The Siemens LGB3B125B circuit breaker is designed for commercial and industrial applications that demand high reliability and protection. It is particularly suited for use in low voltage panelboards where space and performance are critical. Its ability to handle high interrupting capacities makes it perfect for safeguarding complex electrical systems in manufacturing plants, data centers, and large commercial buildings.

Whether you are an electrical contractor or a facility manager, the Siemens LGB3B125B offers the durability, performance, and safety needed to ensure continuous and safe operation of your electrical systems.